From 0d853708bf1ae4d5162fc7826301820bdcf5cd0b Mon Sep 17 00:00:00 2001
From: McCabe Maxsted
Date: Fri, 9 Apr 2010 22:31:27 -0700
Subject: Added ugly checkbox to toggle shadows in Preferences > Advanced

---
 linden/indra/newview/app_settings/settings.xml     | 11 ++++++++
 linden/indra/newview/llprefsadvanced.cpp           | 31 ++++++++++++++++++++++
 .../skins/default/xui/en-us/notifications.xml      |  7 +++++
 .../xui/en-us/panel_preferences_advanced.xml       | 13 ++++++---
 4 files changed, 59 insertions(+), 3 deletions(-)

diff --git a/linden/indra/newview/app_settings/settings.xml b/linden/indra/newview/app_settings/settings.xml
index 072a0f4..8984e04 100644
--- a/linden/indra/newview/app_settings/settings.xml
+++ b/linden/indra/newview/app_settings/settings.xml
@@ -37,6 +37,17 @@
     <key>Value</key>
     <integer>0</integer>
   </map>
+  <key>ShadowsEnabled</key>
+  <map>
+    <key>Comment</key>
+    <string>Whether or not shadows have been enabled (does not actually toggle them)</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>Boolean</string>
+    <key>Value</key>
+    <integer>0</integer>
+  </map>
   <key>ShowStatusBarInMouselook</key>
   <map>
     <key>Comment</key>
diff --git a/linden/indra/newview/llprefsadvanced.cpp b/linden/indra/newview/llprefsadvanced.cpp
index 1ecc0ec..88f066c 100644
--- a/linden/indra/newview/llprefsadvanced.cpp
+++ b/linden/indra/newview/llprefsadvanced.cpp
@@ -59,6 +59,37 @@ void LLPrefsAdvanced::apply()
 	gSavedSettings.setBOOL("DisableLoginLogoutScreens", childGetValue("disable_log_screen_check"));
 	gSavedSettings.setBOOL("DisableTeleportScreens", childGetValue("disable_tp_screen_check"));
 	gSavedSettings.setBOOL("ClothingLayerProtection", childGetValue("client_name_tag_check"));
+
+	// This is bad bad BAD UI from Emerald, I know. 
+	// If anyone wants to do this better, please do -- MC
+	if ( childGetValue("shadows_check").asBoolean() )
+	{
+		if ( (gSavedSettings.getU32("RenderQualityPerformance") < 3) // Make sure we have everything enabled
+			|| !gSavedSettings.getBOOL("WindLightUseAtmosShaders")
+			|| !gSavedSettings.getBOOL("VertexShaderEnable") ) 
+		{
+			childSetValue("shadows_check", FALSE);
+			LLNotifications::instance().add("NoShadows");
+			llwarns << "Attempting to enable shadow rendering while graphics settings less than Ultra or shaders are missing!" << llendl;
+		}
+		else if ( (gSavedSettings.getBOOL("WindLightUseAtmosShaders") // If we do, toggle shadows in the correct order
+				&& gSavedSettings.getBOOL("VertexShaderEnable")) )
+		{
+			gSavedSettings.setBOOL("RenderUseFBO", childGetValue("shadows_check").asBoolean());
+			gSavedSettings.setBOOL("RenderDeferred", childGetValue("shadows_check").asBoolean());
+			llinfos << "Shadow rendering enabled" << llendl;
+		}
+	}
+	else if (!childGetValue("shadows_check").asBoolean()) 
+	{
+		if (gSavedSettings.getBOOL("RenderDeferred"))
+		{
+			gSavedSettings.setBOOL("RenderDeferred", childGetValue("shadows_check").asBoolean());
+			gSavedSettings.setBOOL("RenderUseFBO", childGetValue("shadows_check").asBoolean());
+			llinfos << "Shadow rendering disabled" << llendl;
+		}
+	}
+	gSavedSettings.setBOOL("ShadowsEnabled", childGetValue("shadows_check").asBoolean());
 }
 
 void LLPrefsAdvanced::cancel()
diff --git a/linden/indra/newview/skins/default/xui/en-us/notifications.xml b/linden/indra/newview/skins/default/xui/en-us/notifications.xml
index 9e97930..b35ee4f 100644
--- a/linden/indra/newview/skins/default/xui/en-us/notifications.xml
+++ b/linden/indra/newview/skins/default/xui/en-us/notifications.xml
@@ -6678,6 +6678,13 @@ Go to the Official Imprudence Forums to discuss the Imprudence Project.
     Use the toolbar to toggle the AO on/off.
   </notification>
 
+  <notification
+	   icon="notifytip.tga"
+	   name="NoShadows"
+	   type="notifytip">
+    Shadows cannot be enabled due to your graphics settings being set too low. Make sure your graphics settings are set to Ultra with Basic and Atmospheric Shaders enabled.
+  </notification>
+
 
   <!--End Imprudence notifications-->
 
diff --git a/linden/indra/newview/skins/default/xui/en-us/panel_preferences_advanced.xml b/linden/indra/newview/skins/default/xui/en-us/panel_preferences_advanced.xml
index 417097d..39a3111 100644
--- a/linden/indra/newview/skins/default/xui/en-us/panel_preferences_advanced.xml
+++ b/linden/indra/newview/skins/default/xui/en-us/panel_preferences_advanced.xml
@@ -2,6 +2,9 @@
 <panel border="true" bottom="-409" enabled="true" follows="left|top|right|bottom"
      height="408" label="Advanced" left="102" mouse_opaque="true"
      name="advanced_panel" width="517">
+  
+  <!-- Start organizing these when we get enough of 'em - MC -->
+  
   <check_box bottom="-20" enabled="true"
        follows="left|top" font="SansSerifSmall" height="16"
        initial_value="false" label="Disable Login/Logout Screens" left="12"
@@ -12,7 +15,11 @@
 	     label="Disable Teleport Screens" left="12" mouse_opaque="true"
 	     name="disable_tp_screen_check" radio_style="false" width="217" />
   <check_box bottom_delta="-25" enabled="true" follows="left|top"
-     font="SansSerifSmall" height="16" initial_value="false"
-     label="Show Client Names in Name Tag" left="12" mouse_opaque="true"
-     name="client_name_tag_check" radio_style="false" width="217" />
+       font="SansSerifSmall" height="16" initial_value="false"
+       label="Show Client Names in Name Tag" left="12" mouse_opaque="true"
+       name="client_name_tag_check" radio_style="false" width="217" />
+  <check_box bottom_delta="-25" enabled="true" follows="left|top"
+       font="SansSerifSmall" height="16" initial_value="false"
+       label="Enable Shadows (WARNING: unstable and requires Ultra graphics)" left="12" mouse_opaque="true"
+       name="shadows_check" radio_style="false" width="217" />
 </panel>
-- 
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